A good performance 3-dB splitter based on coupling-weighted and velocity-tapered waveguides

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題名:	A good performance 3-dB splitter based on coupling-weighted and velocity-tapered waveguides
作者:	陳奇夆;Wang, Hseng-Tsong;Chen, Chi-Feng;Chi, Sien
貢獻者:	工學院機械工程學系
關鍵詞:	Blackman function;Coupler;Coupling;Splitter;Super-mode propagation;Tapered;Triple-mode evolution;Waveguide;Weighted
日期:	2015-09-01
上傳時間:	2026-04-23 14:37:44 (UTC+8)
出版者:	Elsevier;Elsevier B.V
摘要:	摘要： A coupling-weighted and velocity-tapered 3-dB splitter with a symmetric triple-mode evolution structure weighted by the Blackman function is analytically and numerically investigated for C+L-band passive optical network applications. The splitter is analyzed by the coupled-mode theory and simulated by the use of three-dimensional finite-difference beam propagation method. It is found that the power uniformity, wavelength dependent loss, excess loss and polarization dependent loss of the proposed 3-dB splitter in the whole C+L-band are better than 2.49×10−3dB, 0.018dB, 0.14dB, and 0.004dB, respectively. It is evident that the 3-dB splitter can achieve the good performances for C+L-band passive optical network applications. •A coupling-weighted and velocity-tapered 3-dB splitter with waveguide weighted by the Blackman function is proposed.•The splitter shows the low optical excess loss and the low sensitivity to wavelength in the whole C+L-band.•The splitter is a polarization-insensitive device in which the polarization dependent loss is less than 0.004dB in the C+L-band.•The splitter has relatively high fabrication tolerances. 出版者： Elsevier B.V 出版日期： 2015-09-01 出處： Optics communications, 2015-09, Vol.350, p.97-102 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2015 Elsevier B.V. 識別號： ISSN: 0030-4018 識別號： EISSN: 1873-0310 識別號： DOI: 10.1016/j.optcom.2015.03.055
顯示於類別:	[機械工程學系] 期刊論文

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